Motor-controlling mechanism.



L. ROBBRSON. MOTOR CONTROLLING MECHANISM, APPLICATION FILED JAN. 26, 1909. 925,653. Patented June 22, 1909.

2 SHEETS-SHEET 1.-

L. RO BERSON. MOTOR GONTROLLIN G MECHANISM.

APPLICATION FILED JAN. 26, 1909.

Patented June 22', 1909.

2 SHEETS-SHEET 2.

51100" for nection. with a churn. Fig. 2 is a top plan Lllfl HER ROBERSON, OF SHARPSBURG, KENTUCKY.

IYIOTQR-GONTROLLING ME GHANISM.

Specification of Letters Patent.

Patented June 22, 1909.

Application filed January 26, 1909. Serial No. 274,312.

To all whom it may concern:

Be it known that I, LUTHER RonnRsoN, citizen of the United States, residing at Sharpsbur in the county of Bath and State of Kentucuy, have invented certain new and useful Improvements in Motor-Controlling lvlechanism, which the following is a specification.

My invention relates to motor controlling mechanism, and has for its main object to provide, in connection with a spring motor .tor operating a device such as the dasher of achurn, means for bringing the device into and out of operative relation with respect to said spring. motor, and for automatically unbralring and bralringsaid spring motor by the' movement of said device toward and from the operative position.

My invention also embodies certain other minor details of construction as will be here inafter described and cleimed,"refereuce being had to the accompanying drawings, in which? H Figure 1 1s a side elevation, partly in section, of my mproved device shown in conview of" the Same, with the churn body re moved. hFig. 3 is e'detail perspective view or" the churn body cover and dasher shaft guide. Fl i is an enlarged detail perspeclive viewer the casting detecha'bly connectasher' shaft with its operating 'pit- Siniilli nnmemls of reference denote corres ending parts in the severslviews.

n the-said drawing thereference numeral 1 denotes a churn body of the usual construction, the same being removably mount-- ed in a circular seat 2, bolted to a wheeled plstfornror truck 3, that is movable on suitable tracks 4, as shown. The churn body cover 5 has fixed thereto a guide '6 formed preferably of a single piece of hezivy wire ent stits centerto form a circular aperture l te receive the dasher shaft 8 and permit vertical reciprocating movement of the.

latter therein, said dashershaft carrying at its lower end any suitable form of dasher blades (not shown). Mounted on ssiid dasher shaft 8, but-vertically adjustable thereon by means of the set screw 9, is a casting 1 0, which also has formed integral there-with a horizontally npertured socket 11, adopted to removnbly receive the lower bent end 12 of an operating pitman 1'3.

Said pitnian 13 is eccentricnlly connected at .15 to a disk 16, carried by shaft 17 that is operated by means of a train ofgearing 18, by a coiled spring 19, said gearing and ,spring being mounted in a casing 20,. as

shown. Said spring 19 has its inner end fixed to a winding and supporting shaft 21, which also has fixed thereto ratchet wheel 22 in mesh with a pawl 23 mounted on the lower member of gear train 18, whereby said spring may be wound without actuating said gear train, and yet will impart its unwindmg movement thereto. Also mounted loosely on shaft 21 is a brake wheel 24, carrying a sprin pawl 25 engaging a ratchet wheel 26, hxed to shaft 21, in such manner that said shaft 21 may be turned independently to wind spring 19 but must rotate said brake wheel 24: therewith as said spring unwinds.

The outer end 27 of spring 19 is fixed to a bar 28, mounted in casing 20, and to said bar is also fixed one end of a band brake 29,

which passes around brake wheel 2 and has attached to its other free enda chain 30, which passes beneath a pulley 31 and is connected at its other end to one end of a lever 32 pivoted st 33 in the casing 20. Said lever friction roller 34, which, when said platform or truck 3 is in its innermost position, isin contact withlthe curved outer end 35 of sold platform or truck in such position that an initial movement of said platform or truck away from the casing 20 will cause said lever 32 to be depressed at its outer end, thereby raising its inner end and drawing the hand brake 29 into frictional contact with brake wheel 24 to check the movement of the spring motor. I

I In operation, with the parts in the position shown in Fig. 1, and the bent end 12 of pitman 13 engaged with casting 10, the;

tracks 4 being preferably upturned at 36 to limit the outward movement of said form or truck. Tlrip movement of said p atform or truck 3 wi h'carry with it the churn body 1 and the dasher shaft 8 and casting 10, which will cause the latter to become disengaged from the bent lower end 12 of pitman l3, whereupon the churn body cover 5 and its dasher shaft 8 and casting 10 may be removed from said churn body, the latter lifted from its seat 2 on the platform or truck 1, and a fresh churn body, filled with cream to be churned, substituted in place thereof. The same churn cover 5, dasher shaft 8 and casting 10 being then placed in the fresh churn body 1, the platform or truck may be returned to its initial position, during which movement the lower bent end 12 of pitman 13 will reengage with the aperture in socket 11 of casting 12, and when said initial position of the platform or truck is reached, the lever 32 will be automatically released to remove the pressure of hand brake 29 and permit the spring motor to operate the dasher shaft 8.

By providing the set screw 9 for connecting the casting 10. with the dasher shaft 8, I provide for varying the position vertically of the dasher blades on dasher shaft 8, in the churn body 1, whereby churn bodies of different heights may be used.

I prefer to extend the outer end of lever 32 into a foot treadle 37, whereby the hand brake 29 may be applied independently of the movement of the platform or truck 3. I may also provide a set screw l l in the socket 11 of casting 10, whereby the lower bent end 12 of pitman maybe fixed to said casting. When this is done the hand brake must be applied, through the foot treadle 37, in order to unscrew the set screw 14, before the platform or truck is withdrawn.

It will be understood that my improvement is equally Well adapted for use with any structure other than a churn wherein there is a movable member to be operated, such, for instance, as a washing machine.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is:

1. The combination with a device to be operated and a motor adapted to operate said device, said device and motor adapted to be moved relatively into and out of operative engagement, of means operated by the movement of the parts out of operative relation for automatically checking the operation of said motor.

2. The combination with a motor, a brake for said motor, a platform or truck movable toward and from said motor and'a device to be operated removably mounted on said platform or truck and ada ted when moved with the latter toward'an from said motor to engage and disengage, ,as"'to its operative parts,'said motor, of means controlled by the movement of said platform or truck for applying and removing said brake.

3. The combination with a motor, a brake for said motor, a platform or truck movable toward and from said motor and a device to be operated removably mounted on said platform or truck and ada ted when moved with the latter toward an engage and disenga e, as to its operative parts, said motor, 0 a 'lever pivoted intermediate its length and connected at one end with said brake and lying at its other end in the path of movement of said platform or truck, whereby the movement of the latter away from said motor willoperate said lever to apply said brake.

from said motor to Y 4. The combination with a spring motor, 5

a lever-pivoted intermediate'its length'and connected at one end with said band brake and at its other end lying in the path of travel of said thereto as to be depressed by said plat-form or truck so long as the latter is in any but an engaging position for the operative parts of the device to be operated with the motor, said lever when so depressed applying said band brake to said motor. 4

5. The combination with a device tobe operated having a dasher shaft, a motor, and a pitman operated by said motor, ofa casting fixed to said dasher shaft and apertured to receive said pitman when said device is moved into operative relation to said motor.

6. The combination with a device to be operated having a dasher shaft, a motor and a pit-man operated by said motor, of a casting carried by said dasher shaft and vertically adjustable thereon and apertnred to receive said pitman when said device is moved into operative relation to said motor.

In testimony whereof I afiix my signature, in presence of two witnesses.

LUTHER nonnnson. Witnesses:

MIKE GALLAGHER, I. L. ROBERSUN.

platform or truck in such relation 

